• Ideal for maintenance diagnostics in demanding environments • Laser targets your measurement area• For special surfaces such as concrete all Fluke models have adjustable emissivity (except Fluke 63) These infrared thermometers are extremely easy to use: just aim, pull the trigger, and read the display. The backlit display shows temperature readings in F or C; low-battery indication; and hold, scan, and max. Display holds for seven seconds. Under range and over-range conditions are also indicated on the display.Available for sale in the United States and Canada only.<\/b> Fluke models 566 and 568 offer additional features including an innovative graphical display, adjustable emissivity through an easily selectable built-in material table , type K thermocouple input, datalogging, multiple language interface, two backlighting levels, and a rubberized housing that improve resistance to shock, damage, water, and dust. These meters also indicate min\/max, dif, avg, two color flashing with audio high and low alarms, probe, log, and recall. The 568 has expanded datalogging capabilities, with internal memory for up to 99 datapoints, or unlimited datapoints through the USB interface direct to your PC. Easy trend analyze can be done through the use of FlukeView software.